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Article: Changes in hormone content of Panax quinquefolium seeds during stratification

TitleChanges in hormone content of Panax quinquefolium seeds during stratification
Authors
Issue Date1997
PublisherHeadley Brothers Ltd. The Journal's web site is located at http://www.jhortscib.com/
Citation
Journal Of Horticultural Science, 1997, v. 72 n. 6, p. 901-906 How to Cite?
AbstractThe changes in hormone contents of Panax quinquefolium seeds during the after-ripening period under controlled stratification conditions were investigated. The seeds were stratified in sequence at 18-20°C for 80 d, at 8-13°C for 54 d and at 0-5°C for 88 d. The water content of the stratified medium (sand) was kept at about 10%. Gibberellin (GA 3) and indole-3-acetic acid (IAA) contents in the endosperm were very low at the beginning of stratification, then increased slowly to reach a small peak on day 164 and day 144, respectively, and finally both increased remarkably by day 198. The changes in the GA 3 and IAA contents in the embryo were similar to those in the endosperm. Zeatin might be responsible for cell division of the embryo of the seeds. The changing pattern of zeatin content in both the embryo and the endosperm was low-high-low, which corresponded to the changing pattern of the embryo growth rate. Abscisic acid (ABA) concentrations in both the embryo and the endosperm remained high before chilling (0-5°C), and dropped to very low values at the end of stratification. The drop in ABA contents might be due to the effect of low temperature during stratification.
Persistent Identifierhttp://hdl.handle.net/10722/178876
ISSN
2002 Impact Factor: 0.699
References

 

DC FieldValueLanguage
dc.contributor.authorRen, Gen_US
dc.contributor.authorChen, Fen_US
dc.contributor.authorLian, Hen_US
dc.contributor.authorZhao, Jen_US
dc.contributor.authorCao, Xen_US
dc.date.accessioned2012-12-19T09:50:20Z-
dc.date.available2012-12-19T09:50:20Z-
dc.date.issued1997en_US
dc.identifier.citationJournal Of Horticultural Science, 1997, v. 72 n. 6, p. 901-906en_US
dc.identifier.issn0022-1589en_US
dc.identifier.urihttp://hdl.handle.net/10722/178876-
dc.description.abstractThe changes in hormone contents of Panax quinquefolium seeds during the after-ripening period under controlled stratification conditions were investigated. The seeds were stratified in sequence at 18-20°C for 80 d, at 8-13°C for 54 d and at 0-5°C for 88 d. The water content of the stratified medium (sand) was kept at about 10%. Gibberellin (GA 3) and indole-3-acetic acid (IAA) contents in the endosperm were very low at the beginning of stratification, then increased slowly to reach a small peak on day 164 and day 144, respectively, and finally both increased remarkably by day 198. The changes in the GA 3 and IAA contents in the embryo were similar to those in the endosperm. Zeatin might be responsible for cell division of the embryo of the seeds. The changing pattern of zeatin content in both the embryo and the endosperm was low-high-low, which corresponded to the changing pattern of the embryo growth rate. Abscisic acid (ABA) concentrations in both the embryo and the endosperm remained high before chilling (0-5°C), and dropped to very low values at the end of stratification. The drop in ABA contents might be due to the effect of low temperature during stratification.en_US
dc.languageengen_US
dc.publisherHeadley Brothers Ltd. The Journal's web site is located at http://www.jhortscib.com/-
dc.relation.ispartofJournal of Horticultural Scienceen_US
dc.titleChanges in hormone content of Panax quinquefolium seeds during stratificationen_US
dc.typeArticleen_US
dc.identifier.emailChen, F: sfchen@hku.hken_US
dc.identifier.authorityChen, F=rp00672en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-18144404300en_US
dc.identifier.hkuros35157-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-18144404300&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume72en_US
dc.identifier.issue6en_US
dc.identifier.spage901en_US
dc.identifier.epage906en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridRen, G=36681498500en_US
dc.identifier.scopusauthoridChen, F=7404907980en_US
dc.identifier.scopusauthoridLian, H=8388073100en_US
dc.identifier.scopusauthoridZhao, J=7410312266en_US
dc.identifier.scopusauthoridCao, X=7403873284en_US

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